
72
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3822 Group
MITSUBISHI MICROCOMPUTERS
(VCC =2.0 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
V
5.5
• High-speed mode, VCC = 5 V
f(XIN) = 8 MHz
f(XCIN) = 32.768 kHz
Output transistors “off”
A-D converter in operating
• High-speed mode, VCC = 5 V
f(XIN) = 8 MHz (in WIT state)
f(XCIN) = 32.768 kHz
Output transistors “off”
A-D converter stopped
• Low-speed mode, VCC = 5 V, Ta ≤ 55°C
f(XIN) = stopped
f(XCIN) = 32.768 kHz
Output transistors “off”
• Low-speed mode, VCC = 5 V, Ta = 25°C
f(XIN) = stopped
f(XCIN) = 32.768 kHz (in WIT state)
Output transistors “off”
• Low-speed mode, VCC = 3 V, Ta ≤ 55°C
f(XIN) = stopped
f(XCIN) = 32.768 kHz
Output transistors “off”
• Low-speed mode, VCC = 3 V, Ta = 25°C
f(XIN) = stopped
f(XCIN) = 32.768 kHz (in WIT state)
Output transistors “off”
All oscillation stopped
(in STP state)
Output transistors “off”
Symbol Parameter
Limits
Min.
Unit
Typ. Max.
Ta = 25 °C
Ta = 85 °C
Test conditions
ICC Power source current
6.4
VRAM
RAM retention voltage
At clock stop mode
2.0
1.6
25
7.0
15
4.5
0.1
3.2
36
14
22
9.0
1.0
10
mA
µA
µA
µA
µA
µA
mA
13
(VCC = 2.2 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85 °C, 4 MHz ≤ f(XIN) ≤ 8 MHz, in middle/high-speed mode unless otherwise noted)
Symbol Parameter
Limits
Min.
Unit
Typ. Max.
Test conditions
–
Resolution
Absolute accuracy
(excluding quantization error)
VCC = VREF = 4.0 V to 5.5 V
f(XIN) = 8 MHz
VCC = VREF = 2.2 V to 4.0V
f(XIN) = 2 ✕ VCC MHz
12
Bits
LSB
8
±2
Note: When an internal trigger is used in middle-speed mode, it is 14 µs.
µs
f(XIN) = 8 MHz
Conversion time
Ladder resistor
Reference power source input current
–
tCONV
RLADDER
IVREF
kΩ
µA
Analog port input currentIIA
µA
35
150
VREF = 5 V
12.5
(Note)
100
200
5.0
50
Table 51 Electrical characteristics (H version)
Table 52 A-D converter characteristics (H version)
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